\begin{figure}[htpb]
\centering
- \includegraphics[width=0.8\linewidth]{camera_and_projector.png}
- \caption{Color balance on Temporary}
+ \includegraphics[width=0.8\linewidth]{camera_and_projector.pdf}
+ \caption{Color3way on Temporary}
\label{fig:camera_and_projector}
\end{figure}